AirHint found the following cheapest return flights from Oslo (OSL) to Seoul (ICN) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec	Ryanair
03 Dec - 13 Dec	Wizz Air
09 Dec - 16 Dec	Ryanair
05 Dec - 12 Dec	transavia
05 Dec - 23 Dec	Lufthansa
16 Dec - 30 Dec	Wizz Air
12 Dec - 28 Dec	Wizz Air
10 Dec - 17 Dec	Lufthansa
11 Dec - 18 Dec	Lufthansa
12 Dec - 26 Dec	Wizz Air
11 Dec - 05 Jan	Ryanair
25 Dec - 01 Jan	Finnair
23 Dec - 09 Jan	Finnair
23 Dec - 03 Jan	Finnair
26 Dec - 09 Jan	Wizz Air
29 Dec - 05 Jan	Turkish Airlines
30 Dec - 06 Jan	Lufthansa
28 Dec - 04 Jan	Lufthansa
27 Dec - 03 Jan	Lufthansa
29 Dec - 12 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Oslo to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Oslo to Seoul in December from 520€

Return flights